Additional information about ERL and other Cornell accelerator physics may be found at http://www.lepp.cornell.edu/Research/AP/ERL/
NSF awards Cornell $18 million to develop a new source of X-rays
ITHACA, N.Y. -- The National Science Foundation (NSF) has awarded Cornell University $18 million to begin development of a new, advanced synchrotron radiation x-ray source, called an Energy Recovery Linac (ERL). The ERL, based on accelerator physics and superconducting microwave technology in which Cornell's Laboratory of Elementary Particle Physics (LEPP) is a world leader, will enable investigations of matter that are impossible to perform with existing X-ray sources. Click here for complete article. Published in the Cornell Chronicle Volume 36 Number 23, February 24, 2005. Click here for Cornell News February 21, 2005 Press Release.
by: "Review of Third and
Synchrotron Light Sources" by Donald H. Bilderback,
Pascal Elleaume and Edgar Weckert,
J. Phys. B: At. Mol. Opt. Phys. 38 (2005) S773-S797
Schematic diagram of an Energy Recovery Linac source of synchrotron radiation. A bright electron source injects electrons at up to a 1.3 GHz rate into a superconducting radio frequency (RF) cavity that accelerates electrons to full energy of 5 GeV (the green balls "surfing" on the crest of the RF traveling wave). They circulate around a return arc producing brilliant x-ray beams in undulators (shown in red rectangles). The circumference of the arc is adjusted so that the path length of the electrons returning to the linac is 180 degrees out of accelerating phase. Thus these (red ball) electrons ride in the trough of the RF wave and now give up their energy to the cavity. After being decelerated to low energy they are directed to a beam dump. Each electron makes one trip around the arc and its energy is recycled in the main linac, hence the name, Energy Recovery Linac. We plan to adapt this schematic concept to the real physical layout of the current CESR storage ring by the addition of further underground tunnel to be connected to the present storage ring complex. The details are being worked out now and an upgrade plan will be presented to the NSF a few years from now.
NSF Approves New C.U. X-Ray System
The National Science Foundation has given Cornell the green light to begin development of an Energy Recovery Linac (ERL), a new advanced synchrotron radiation X-ray source that has far-reaching implications for biology, chemistry and a host of other disciplines. The proposed ERL will feed into the Cornell Electron Storage Ring (CESR) underneath Alumni Field but will produce X-rays with greater capabilities than the University's current synchrotron radiations source can provide. Click here for complete article. Published in the Cornell Daily Sun Volume 121 Number 100, March 2, 2005.
$109 million NSF award funds X-ray science, research and development for revolutionary new X-ray source
In a major boost for X-ray science and accelerator physics, the National Science Foundation (NSF) has committed about $109 million to Cornell's continued operation of an X-ray synchrotron facility, as well as to develop a new kind of X-ray source that promises to revolutionize the field. Click here for complete article.